Arlington, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arlington, a city in Snohomish County, Washington.
This Afternoon
57°F
Mostly Cloudy
Mostly cloudy. High near 57, with temperatures falling to around 52 in the afternoon. West northwest wind around 2 mph.
7-day forecast for Arlington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Mostly Cloudy | 2 mph WNW | 4% |
| Tonight | 37°F | Partly Cloudy | 2 mph ESE | 4% |
| Wednesday | 59°F | Mostly Sunny then Slight Chance Light Rain | 2 to 7 mph SE | 15% |
| Wednesday Night | 46°F | Light Rain | 5 to 13 mph SE | 97% |
| Thursday | 56°F | Chance Light Rain | 3 to 7 mph SSE | 49% |
| Thursday Night | 45°F | Light Rain | 6 to 13 mph SE | 86% |
| Friday | 56°F | Light Rain | 7 to 13 mph SE | 86% |
| Friday Night | 46°F | Chance Light Rain | 5 to 9 mph ESE | 42% |
| Saturday | 62°F | Chance Light Rain | 6 mph SE | 36% |
| Saturday Night | 48°F | Light Rain | 6 to 17 mph SSE | 82% |
| Sunday | 56°F | Light Rain | 3 to 14 mph S | 82% |
| Sunday Night | 42°F | Chance Light Rain | 3 to 9 mph SE | 37% |
| Monday | 56°F | Chance Light Rain | 7 mph ESE | 53% |
| Monday Night | 45°F | Light Rain Likely | 7 to 15 mph SE | 71% |
Forecast source: National Weather Service (api.weather.gov) for Arlington (48.170, -122.145). Updated through the day.
Growing snapshot for Arlington
Last spring frost
Mar 24
First fall frost
Nov 2
Growing season
223 days
Hardiness zone
8b
More local growing data for Arlington: nearby ZIP 98270 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alderwood Manor
Arlington Heights
Bothell East
Bothell West
Brier
Bunk Foss
Canyon Creek
Cathcart
Cavalero
Chain Lake
Clearview
Darrington
Eastmont
Edmonds
Esperance
Everett
Fobes Hill
Gold Bar
Granite Falls
Hat Island
Kayak Point
Lake Bosworth
Lake Cassidy
Lake Cavanaugh
Lake Goodwin
Lake Roesiger
Lake Stevens
Lake Stickney
Larch Way
Lochsloy
Climate data from the nearest NOAA station, Everett, Wa (6 mi from Arlington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.